Quote for WNB578-21 United Technologies Corporation Part with NSN 5310-00-663-5988

Part Number:  WNB578-21
Alternate P/N:  WNB57821
NIIN:  6635988
Item Name :  washer flat
CAGE Code:  24956
INC Code:  13393
Country:  USA
NCB Code:  00
FSG:  53 Hardware and Abrasives
Last Updated:  02-27-2026

Are you looking quote for part WNB578-21? The United Technologies Corporation-manufactured component (CAGE Code: 24956) is documented under NSN 5310-00-663-5988 as Washer Flat. For the fastest quote, please complete our RFQ form with details about WNB578-21. We guarantee a response within 15 minutes.

ASAP Components provides the verified WNB578-21, classified under INC 13393, FSG 53 Hardware and Abrasives, FSC 5310 Nuts and Washers, NIIN 00-663-5988, and NCB 00. Submit your requirements today to receive immediate pricing and availability information.

Please fill out below form for WNB578-21

“*” Required Fields Are Compulsory

NSN Information for Part Number WNB578-21 with NSN 5310-00-663-5988, 5310006635988

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5310-00-663-5988

Item PartTypeName:

WASHER,FLAT

5310006635988N
CIICHCCESDPMICCriticalityENAC
U
Part NumberISCRNVCRNCCHCCMSDSSADC
9B9596225

Characteristics Data of NSN 5310-00-663-5988, 5310006635988

MRCCriteriaCharacteristic
AAGRCROSS-SECTIONAL SHAPE STYLERECTANGULAR
AAUBHOLE DIAMETER0.165 INCHES NOMINAL
ABMWPERIPHERAL SHAPE STYLEROUND
ABMXCENTER HOLE SHAPE STYLEROUND
ABNMTHICKNESS0.078 INCHES NOMINAL
ADAVOVERALL DIAMETER0.248 INCHES MINIMUM AND 0.254 INCHES MAXIMUM
MATTMATERIALWOOL OR COTTON OR CELLULOSE OR GLASS OVERALL

Identification

CRITL The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
HMIC N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
PMIC U - Precious metal content is unknown

Freight Information

ACC: V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing
ADC: A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
LCL: S - 60.0
LTL: W - Rating variable
NMFC: 194120 - Washers/gaskets/pckg dvcs noi
SHC: 9 - Other or no special handling required (sh)
TCC: Z - No special type of cargo code applicable
WCC: 713 - Metal hardware

ASAP Semiconductor’s Certifications And Memberships



bottom to top